.history-container {
	width: 1280px;
	/*height: 720px;*/
	margin: 0 auto;
	padding: 50px;
	-webkit-animation-duration: 600ms;
	animation-duration: 600ms;
	-webkit-animation-fill-mode: both;
	animation-fill-mode: both;
	-webkit-animation-name: fadeInUpSmall;
	animation-name: fadeInUpSmall;
	-webkit-transition: all 0.1s;
	-moz-transition: all 0.1s;
	-0-transition: all 0.1s;
	-o-transition: all 0.1s;
	transition: all 0.1s;
}
.history-content {
	width: 100%;
	height: 100%;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	border-top: 1px solid #ccc;
	border-left: 1px solid #ccc;
}
.left-menu {
	/*border: 1px solid #ccc;*/
	border-radius: 5px;
	width: 30%;
	display: flex;
	flex-direction: column;
	align-items: center;
	box-shadow: 20px 10px 5px rgba(197, 172, 138, 0.3);
	overflow-x: hidden;
	overflow-y: scroll;
	/* 隐藏滚动条 */
	scrollbar-width: none; /* firefox */
	-ms-overflow-style: none; /* IE 10+ */
}
.left-menu::-webkit-scrollbar {
	display: none; /* Chrome Safari */
}

.right-content {
	width: 68%;
	position: relative;
}
.year-content {
	overflow-x: hidden;
	overflow-y: scroll;
	/*visibility: hidden;*/
	position: absolute;
	top: 0px;
	left: 0px;
	height: 100%;
	width: 100%;
	/* 隐藏滚动条 */
	scrollbar-width: none; /* firefox */
	-ms-overflow-style: none; /* IE 10+ */
}
.year-content::-webkit-scrollbar {
	display: none; /* Chrome Safari */
}
/*.year-content:first-child {
	visibility: visible;
}*/
.year-content.active .block {
	animation: show 0.3s ease-in 0.1s forwards;
}
.menu-item {
	width: 304px;
	padding: 25px 0px 25px 0px;
	box-sizing: border-box;
	margin: 15px 0;
	text-align: center;
	cursor: pointer;
	position: relative;
	z-index: 10;
	color: #333333;
	display: block;
}
.menu-item:hover {
    background: linear-gradient(111deg, #f3dcbf, #c5ac8a);
    border-radius: 20px;
}
.menu-item h4 {
	display: inline-block;
	font-size: 36px;
	color: #333333;
	font-weight: initial;
	position: relative;
}
.menu-item.active {
	border-radius: 20px;
	background: linear-gradient(111deg, #f3dcbf, #c5ac8a);
}

.menu-item.active h4:before {
	content: '';
	width: 8px;
	height: 24px;
	position: absolute;
	left: -21px;
	top: 8px;
	background: #301b15;
	border-radius: 5px;
}
.menu-item p {
	font-size: 18px;
	color: #333333;
	/* text-align: right; */
}
.block {
	/* border: 1px solid #ccc;*/
	border-radius: 5px;
	width: 97%;
	background: #fff;
	padding: 25px 26px;
	box-sizing: border-box;
	margin-bottom: 20px;
	box-shadow: 20px 10px 5px rgba(197, 172, 138, 0.3);
	transform: translateY(40px);
	/* -webkit-transition: all 1s; */
	opacity: 0;
}
.block h4 {
	font-size: 24px;
	color: #333333;
	font-weight: bold;
	margin-bottom: 15px;
}
.block p {
	font-size: 16px;
	color: #666666;
	line-height: 24px;
	position: relative;
	padding-left: 15px;
}
.block p:before {
	content: '';
	width: 6px;
	height: 6px;
	background: #bf9488;
	border-radius: 100%;
	position: absolute;
	left: 0;
	top: 10px;
	margin-top: -1px;
}
@-webkit-keyframes show {
	0% {
		opacity: 0;
		transform: translateY(40px);
	}
	100% {
		opacity: 1;
		transform: translateY(0px);
	}
}